Door carrying and operating device.



n PATENTED SEPT. 25,7, 15906 .M."GOSSEY. DOOR CARRYING AND OPERATINGDEVICE.

APPLICATION FILED APB. 22. `1905.

3 SHEETS-SHEET 1.

PATENTED SEPT. 25, 1906.

M. CossvEYv. DOOE'GAEEYING AND OPERATING DEVICE.

l APPLICATION FILED APR.2 2. 1905.

3 SHEETS-SHEET 2.

'PATENTBD SEPT. 25, 1906.

No. 832,010. K M. cossEY.

DOOR CARRYING AND OPERATING DEVICE.

APPLICATION FILED APB.. Z2. 1905.

a SHEETS-SHEET a.

. so connected therewith as 'rates of speed." My

'a horizontal direction.

'case of accident thereto.

UMTED STATES' .PATENT 'OFFTOE h/IYRON COSSEY, N EW YORK, N." Y.

Specification of Letters ?atent.

ratented sept. 25, i906.

Application tiled April 22. 1905. Seria-.l No. 256,847.

T0 all whom, it hwg] concern:

Be it known that l, .MYnoN CossEY, a citizen of the United Statespand aresident of the boroiighof Brooklyn, city of New York,

State of New York, have invented certain new and useful Improvements inDoor Carrying and Operating Devices, of which the following is aspecification.

My invention relates to im rovements in door. carrying and operating revices, and is especially well adapted for eases where it is desired tomove two or more doors simultaneously in the same direction and atvarying invention, however, is not limited to moving the doorssimultaneously in the saine direction, but, on the contrary, is adapted,if modified, toniove them simultaneously in opposite directions and atvarying rates of speed. li'li'ireovcr, my invention may be a )plied todoors moving vertically or upwardly, as well as laterally or in In thepresent case it is illust-rated and described as appliedtolaterall}-'movable doors. The-relative speed of the di ors may bevaried. Thus one door may move twice as tast as the other, or it may bemade to move either more or less than twice asV fast.

l have found from experience that wherever operating mechanism isutilized to trans mit movement from one door to another it is important,il'v not-essential, to prevent the transmission ot' strains from anv ofthe doors tothe operating mechanism. lf the operating mechanism directlyor indirectly connects doors which are either moving in the sainedirection and past each other or moving in opposite directions andtoward each other, any breakdown of the operatingdevices will result inrendering impossible any movement of the doors without a com letedestruction o f the operating devices. y the use of my invention Iprevent transmission of. any strains to the operating devices both-whenthe doors arein normal operation and also in Obviously the device forprevention of transmission of strains may be placed, strictly speaking,intermediate the .doors and operating mechanism or may be nierelv soconstructed with respect to the doors and the operating mechanism and toproduce the same general result.

ln the a cimpanying drawings, Figure l shows diagrai'nmatically myinvention applied to three sliding doors arranged to move andantifriction devices.

in the same direction.A F ig. -2 shows diagrammatically my inventionapplied t0 two doors arranged to move'in opposite directions. Fig. 3shows a gear-wlieel adapted to be used in a modification of myinveiition.`

F igs. 4, 5, and 6 are front elevations of a construction embodying apreferred form of my invention and showing two doors sliding in the samedirection and in three different positions. Thus 4 inFig 4 the doors areclosed, in Fig. .5 they are partially open,vand in Fig. 6 they areentirely open'. Fig. 7 is a top or plan. View" with the parts in thepositions shown in Fig. 4. Fig. S is a view, partially in section andpartially in plan, showing the same construction illustrated-in Fig. 7,but

with cert-ain parts removed to show more clearly the arrangemeiit of theracks, gears,

K Figi) is a crosssection on the line S) 9 of Fig. 4, and Fig. 10 across-section on the line 10 l0 of Fig. 4.

Taking up, now, the diagrammatic views,

F ig. l'shows three sliding doors moving 1n A the saine direction, thedoor AL movingwith twice the speed of the door A and the door A3 movingwith twice the speed of the dooi A2 or four times as fast as the door A.These results are brought about as follows: The doors A', A?, and A3 arehung, respectively, from the sliding bars D', Dla'nd D, these bars beingsupported in any suitable manner to permit of longitudinal reciprocatingmotion. The bars D and D are provided, as shown, on their upper sideswith rack-teeth. The bar D is provided with a gear-wheel B', rotatablymounted thereon in any suitable manner. This gear-wheel meshes, asshown, with the movable rack lD2 and, further, meshes with thestationary rack C. Considering now the effect of the mechanism so far'described with reference to the relative movement ot doors A and A2 anddisregard in; for a moment the door A, it-will be seen that when thedoor A is moved in the direction of lt-he arrow-that is to say, to theleft-it will cause the gear-wheel B to rotate in a clockwise direction,due to the fact that it. meshes with the fixed rack C and that suchrotation of the gear-wheel compels the movable rack l.)2 and the door N,suspended therefrom, likewise to move tothe left and in the samedirection as the door A. Moreover, the,

IOO

door A2 will move with twice thc speed of the y door n'. Referring againto Fig. 1 and considering now the relation of the door A to the others,it. will be'noted that the door A is rio geared to 'the door A2 inprecisely analogous fashion to the manner in which door A2 is geared toA. In other words, the door A3 is suspended from a slidable rack,D3,.corre spending with DZ. A gear-wheel Bz is rovided correspondingwith the gear-whee B 'and is mounted in similar manner thereto,

and a fixed rack C, corresponding with the .rack C', is also provided'tomesh with said gear-wheel. The effect ofthe operation of this duplicatemechanism is also the same as before, which is to compel the door A"l tomove with twice the s eedv of' the door A, or, in other words, with ourtimes the speed of the door A'. I

Referring to Fig. 2, my invention is there shown diagrammaticall asapplied to two doors which are compeled to move in opposite directions,one twice as fast as the other. This result is attained, as will beseen.' by a comparison of Fig. 2 with Fig. 1, by locating the movablerack and the fixed'rack on the same side ofthe gear-wheel. Thus,referring still to Fig. 2, C is'the fixed rack, andDz the movable rack,both -located on top of the gearewh'eel B and ofcourse arranged to meshvtherewith. The gear-wheel B', as before, is mounted on the movable barD, which in turn supports the door A. Again, as before, the movable rackD2 supports the other door A2. When the door A is moved to the left, forexample, it will be seen that tne fixed rack C will compel thegear-wheel B to rotate in a clockwise direction, which inturn willcompel the movable rack D2 and the door A2 to move to-the right and awafrom the door A and with a speed twice as ast.

Thus far all the constructions describedv have shown one door movingtwice as fast as its adjacent door. This, however, is not a necessarycondition, because by a simple modification of the gear-wheel therelative speed of the doors either in the same or in opposite directionscan be varied at will. One

method of doing this consists in substituting for the gearwheel B', forexample, in Fig. 2, thc duplex gear-wheel shown in Fig. 3. This duplexwheel consists merely of two gearwheels of different diameters rigidlycon-v nected. The effect of the substitution of the duplex wheel uponthe relative speed of the doors will depend upon whether the largerwheel or the smaller is made to mesh with the lixed rack. Thus if thelarge wheel X' be made to mesh with the fixed rack C and the small wheelY with the movable rack D? then the movable rack, and consequently thedoor A2, will move less than twice .as fast as the door A', the amountof dierence in speed Vdepei-iding upon the relative size of said Theoregoin description4 of' the diagram'- matic views of ies. 1, 2, andfSvwill now makedoor either more orless than twice and more than e uallyas fast asanother.

the practical worlbring constructions shown inthe remaining figureseasily understood.

In the practical operation-0fA myinventionit is desirable to providesomemeans for preventing the transmission-of strains from the doors' tothe racks and gear. A preferred means for this purpose is to provide-adoorhanger comprising two outer bars or guides, which constitute oneelement, and an intermediate bar,;whch constitutes another elel ment,with antifriction devices between the outer bars or guides andtheintermediate bar. One of" these elements is designed to have endwisemovement with respect to the other, and in the present case I have, asillustrated in Figs. 4 to 10, shown the intermediate bar movable withrespect to the outer Y bars or guides. Thus in t e said figures it willbe seen that there are two doors shown, A and A2, the door A beingconnected by links 1 1 to a movable bar D', which bar is slidablysupported upon antifriction devices between the fixed bars or guides 2and 3. As

shown, these antifriction devices comprise balls 4, which are looselyheld in fixed rela a ball-carrier 5, the balls themselves running inlongitudinal grooves 6 and 7 (see Figs. 9 and 10,) located on therespective edges' of the fixed bars or guides 2 and13. readily beunderstood that the bar D might beifixed and become the guide and 'thebars 2 and 3 b'e movable. Of course in this eveht the links l would haveto be connected to the bars 2 and 3.

As shown more clearly in Figs. 9 and 10, the antifriction devices or bas serve not only as antifriction devices, but also vto retain theintermediate bars in operative position with regard to the outside bars'and prevent any movement between the movable element and the fixedelement at a right angle to the endwise movement. This has severaladvantages. In the first place it does away with the necessity of anyother retaining means, and in the second lace it affords an absolutelysure means of eeping thev intermediate bar in its roper relation to theout side bars and algo permitting va certain amount of flexibility.Furthermore, in the event of any one of the doors striking anobstruction during movement the resulting strains are distributed overall the balls,

tion to each other in a well-known manner by l n will esame l a whichobviously reduces the strain .on any one ball. The aforesaid movable barD' carries a pair of guides 8 9, similar to thc other guides 3, alreadydescribed. ln the precise foi-m shown, Figs. 5 and 10, these guides 8and 9 are each rigidly secured to a common'basr-iplate D* by bolts orrivets a, and the baseplate l)4 is secured to the movable bar D', so asto move with it; One ol' the linksl may be utilized to connect the bar1)' and baseplatc D, as indicated in Figs. Sand It), or they may beconnected together by other means. able bar D?, similar to the movableba'r D' and adapted, like D', to slide back and forth between the guides8 t) and running, as before, on balls 10, located in the longitudinalgrooves il l2 (see Fig. 10) and held together by the ball-carrier 13.Like D', the movable bar l)g is connected to a door, in this case A,through the links 14. AY rack D3 is rigidly -secured to the movable barD2, the teethof said rack engaving the under side of a gearwheel B',aswill be more fully described llereinafter. Thus the construction justdescribed in detail will be seen to comprise two doors, A' and A2, thedoor A being connected to a bar D, slidably mounted on antifrictiondevices between fixed guides 2 3, and the door A2 being likewiseconnected to the movablcbar D, slidablj.T mounted on antifrictioi:devices eta een the guides o El which guides are connected to andcarried by the aforesaid movable bar D', to which the other door A. isconnected. The particular l'orm ol mechanism which' l have shown forconnecting and mutually operating these doors com- )rises the rear-wheelB" rotatztblv mounted l is i on and carried by the movable. guide 8,which inturn' is ri idly secured to and carried by the Inova leintermediatr` bar l)', which carries the door A'. This gear-wheel B'meshesboth with the tiXe-d rack (7 and also with a movable rack D, whichis rigidly secured to and practically forms part of the movableintermediate bar D2, whi'cliin turn supports the door A2. (h msequentlywhen either the door A' or the other door A'-' is moved to the left, forexample, the other door must necessarily move in the same direction andthe door Afmust always move at twice the rate of speed as the door A.ll' the moving power is applied to the door A', the movable bar D' mustalso move and d'rag after it the gear-wheel B', which being compclled torotate by the fixed rack (l' drives the movable bar D2 through theintervention of its rack which isiin mesh with the said gear-wheel, and'thus drives the bar 1) and its door A2 in the same direction as the doorA', but with twice its speed. lt will be noted (see particularly Fig.lll) that the guides S t), mounted on the movabic bar l)', are not iiithe same vertical plane as the other pair ol guides 2 2i. This permitsthe movable bar Moreover, there is provided a mov- D2 and its door A2also to occupy ditlerent planes from the movable bar D' and its door A',so that the door A is able to slide in iront of the door A withoutinterference. l-laving described my invention, I claiml. ln a doorcarrying and operating device, the combination with a plurality of doorsof operatingr mechanism adapted to transmit movement from one door toan' other and means arranged to'prevent transmissions of strains to saidoperating mechanism. v

2. In door carrying and operating devices, the combination withoperating mechanism for connecting a. plurality ot doors and adapted totransmit movement from one door to another, of hangers adapted to bearranged intermediate the doors and said operating for connectingaplurality of doors and adapted to transmitmovement from one door toanother. of hangers adapted to be arranged intermediate the. doors .andsaid operating vmechanism and comprising two elementsone an intermediatear and the other comprising two outside bars rigidly secured toe tncr,one of said. elements being movable 2` with respect tothe other andadapted to cari-3T a door. l

4. In door carrying and. operating devices, endwise-movable bars, fixeduides upon which said bars move, means ger pig-emiting movement betweenlthe movable bain and their guides at right angles to the endwisemovement, means for connecting a door to each movable bar, and operatingmechanism for transmitting movement from any one of said movable bars toall the others. I

5. I n door carrying and operating devices, the combination with aplurality of hangers each comprising two outside bars constituting oneelement and an intermediate bar constituting another clementone of saidelements being movable with respect to the other, and the movableclement being adapted to be connected to a door-of operating mechanismcomprising racks and a gear adapted to transmit movement ol' eachmovable clement to all thc other movableele- 'ments 6. vln door carryingand operating devices, the combination of a plurality of racks and gearfor transmitting motion from one door to another door, and door-hangersarranged intermediate. the doors and said racks and gear, and cachcomprising two'outside bars constituting one clement and an intermediatebar constituting another element, one of said elements being movablewith respect to the other and said movable elements adapted to sustainthcl doors.

7. In door carryingand o erating devices, the combination' with a -purality of racks and a gear arranged to impartmotion from one door toanother door, and in the same di- Arection but at varying rates ofspeed, and a plurality of door-hangers 4each comprisin two outsideibarscomprising one elementan an intermediate bar comprising another element,one of said elements being. movable. with respect to the other, and themovable element having means forcarrying adoor. A

9. In door carrying and operating devices, thecombination of agear-Wheel ,and racks adapted to be connected to doors for transmi ttingmovement of onedoor to another, and means .including antifrictiondevices for sustaining the weight of the doors Aand relieving the racksand gears from strain.

10. In door carrying and operating devices, the combination of agear-wheel and racks adapted to be connected to'doors for transmittingmoyement of one door-to another, and means including antiriction devicesadapted to be interposed between the doors and the racks and gearfor'sustaining the Weight of the doors and relieving the racks 'and gearfrom strain.

11'. In door carrying and operating devices, the combination of aplurality of sets of three bars each, the said three bars of each setbeing parallel and situated one above the other, each set being composedof two members, one of which comprises two outer bars rigidly securedtogether, and the othera cenL tral bar; antifriction devices interposedbetween said central and'outer bars; Adevices for connecting one vofsaid members of 'each set with a door, the other member being secured tocause relative motion between it andthe iirst member, and meansincluding j racks in mesh with a 'gear whereby the lateral movement ofeach'movable member is controllediby the movement of every other movablemember. I

12.*In door carrying and operating devices, the combination of endwsemovable-bars arranged to rec'iprocate between outer bars situated oneither side thereof and substantially parallel therewith; antifrictiondevices interposed between said movable and outer bars; devices oneachof said movable bars for connecting it to a door, and means includingracks in mosh with respective gears whereby the endwise movement of eachsaoio movable bar is controlled by the vendwise movement of every othermovable bar.

13. The combination with a plurality of racks and a gear, of a pluralityof hangers, each comprising two outside bars constituting one elementand an intermediate bar constitutinganother element-one of said elements' being movable with respect to "the other and said movableelements havin means for connecting them to doors--an balls arran ed oneach side of said intermediate bar an in grooves provided in theadjacent surfaces of the intermediate and outside bars to retain saidintermediate bar in operat i ve position with regard to the outsidebars.

'14. In door carrying and operating devices, the combination of a-pairof fixed guides a movable bar slidably mounted between said guides;antiiriction devices arranged between said movable bar and said guides;a

gear-wheel carried by said movable bar; a pair of guides carried by saidmovable bar; a second movable bar slidably mounted between saidlast-named guides; antifriction devices between said last-named guidesand said second movable bar; a rack carried by said second movable ba'rand in mesh vwith said gear-wheel; and a stationary rack also in meshwith said gear-wheel.

15. In door carrying and operating devices, the combination with aplurality ofv movable bars, means for connecting a door to each movablebar, guides for each movable bar, antifriction. devices arranged on eachside of each said movable bar and intermediateit and its guides, a rackrigidly secured to the rst set of guides and another to each succeedingset of guides, excepting the last, a rotatable'gear-wheel connected andtraveling with each set of guides, excepting the first set, and arrangedto mesh with the rack ai fixed to the immediately-preceding set ofguides, and a `movable rack connectedl and moving with each movable barexcepting the first and meshing ,respectively with the aforesaidgear-wheel attached to the Guides supporting its movable bar-the irstset of guides being fixed and immovable and each succeeding set beingrigidlyconnected 'and moving with the immcdiately-preceding movable bar.

16. In door carrying and operating devices, the combination with aplurality ofmovable bars, means for supporting a door from each ofthemovable bars, a pair of guides arranged on each side of each movablebar, one pair of guides being fixed and the other guides mov* able,antiriction devices arrangedfon each side of each movable bar andintermediate it and its guides', and means comprising racks and gearadapted to transmit movement from either movable bar to all the othermovable ibars.

17.. In door carrying and operating devices,

the combination with a plurality of movable IOO bars, means forsupporting a door from eaclftl" of the movable bars, a pair of uidesarranged ,on each side of each movable ar, lone pair of guides being xedand all the other guides movable, antifriction devices arranged. on eachside of each movable bar and intermediate it and its guides, and meanscomprising racks and a' gear whereby a movement imparted to any oneofthe movable bars will produce a movement of each other bar and at a rateof speed different from that of every other bar. I

. 18. In door carrying and operating devices, the combination with alplurality of movable bars, means for supporting na door from eachmovable bar, a pair of guides arranged on each side of each movable bar,one pair of guides being fixed and all the other guides movable,antifrietion devices arranged on each side of each movable bar andintermediate it and its guides, and means comprising racks and a gear,whereby any movement imparted to any one of the movable bars willproduce a movement of every other movable b'ar in the same direction,but at varying rates of speed.

1). In door carrying and operating devices, the combination with aplurality of movable: bars, means for supporting a door from eachmovable bar, a pair of guides arranged on each side of each movable bar,antifriction devices arranged 'on each side of each movable bar andintermediate itand its guides, and means, comprising a .iiXed rack, amovable rack and a movable gear meshing with both racks, for compellingmovement of all the other movable bars upon the movement of either ofthem.

20. In door carrying and operating devices, the combination with a pairof fixed. guides, a movable bar supported to slide between said guides,a pair of movable guides, a second movable bar supported to slidebetween said movableguides, means for rigidly connecting the first-namedmovable bar to the movable guides, a gear-wheel carried by the movableguides, a rack rigidly connected to the second movable bar and meshing,with said gear-wheel, and a stationary rackwith which said gear-Wheelmeshes.

21 In door carrying and operating devices,

Jthe combination of two movablebars, means for supporting a door fromeach movable bar, a pair of guides arranged on each sidenof each movablebar, one pair ofv guides being-hired and the other pair movable,connections between the movable pair of guidesand the bar supportedbetween the fixed guides, and means comprising racks and a gear wherebya movement imparted to any one of the movable bars will produce amow-ment ol' the other bar.

22. In door carrying and operating devices, the combination of twomovable bars, means for supporting a door from each movable bar, a pairof guides arranged on each side of each movable bar, said guides beingin different vertical planes and one pair of guides being liXed and theother pair movable, and the movable guides being 'connected to themovable bar'supported between the 'fixed guides, and means comprisingracks and gear whereby any movement imparted to one of the movable barswill produce a movement ofthe other movable bar.

23. In door carrying and operating devices the lcombination withoperating mechanism for connectinga plurality of doors and adapted totransmit movement fromone door to another, of hangers adapted to bearranged intermediate the doors and said operating mechanism, eachhanger comprising three bars of which the two outer bars are con-lnected together and constitute one element, and 'of which the middle barconstitutes another element7 and one of these elements being movablewith respect to the other, and the opposing edges of the two outer barsand of the middle bar being grooved, means for connecting said movableelement to a door, and balls supported in the grooves between the middleand outer vbars for preventing movement between the middle and outerbars at right angles to the endwise move'- ment of the movable member.

In witness whereof I have signed my name to the foregoing specificationin the presence of two subscribing Witnesses. i

'p MYRON COSSEY. Witnesses:

I BAUER, S. E STEVE/N.

